Author:
AL-Mangour Bandar,Vo Phuong,Mongrain Rosaire,Irissou Eric,Yue Stephen
Abstract
Abstract
In this study, the effects of heat treatment on the microstructure and mechanical properties of cold sprayed stainless steel 316L coatings using N2 and He as propellant gases were investigated. Powder and coating characterizations, including coating microhardness, coating porosity, and XRD phase analysis were performed. It was found that heat treatment reduced porosity, improved inter-particle bonding, and increased ductility. XRD results confirmed that no phase transformation occurred during deposition. Significant increase in UTS and ductility was observed for the annealed specimens obtained with nitrogen propellant, whereas little changes were observed for the helium propellant produced specimen.
Publisher
Springer Science and Business Media LLC
Subject
Materials Chemistry,Surfaces, Coatings and Films,Condensed Matter Physics
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